run-tests.py: pass --install-scripts to setup.py
This avoids possible problems when the user has a ~/.pydistutils.cfg.
Fixes issue638. Patch provided by Ralf Schmitt.
% unbundle
4 files updated, 0 files merged, 0 files removed, 0 files unresolved
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% move and copy
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d/b
% bundle
pulling from ../symlinks.hg
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 6 changes to 6 files
(run 'hg update' to get a working copy)
5 files updated, 0 files merged, 0 files removed, 0 files unresolved
a
a
d/b